Our paper straws are durable under high heat and low temperature.
The colors must not changed or resolved in high temperature.
The artificial coloring must be edible harmful for human consumption.
All the paper straws make and package in the dust free plants
They have to drying in the machine for one hour after rolling
Then sterilized for the whole night.
That is the main reason our paper straws expiration date is 2 years.
Free samples avaliable!!!